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EnginePart report

2003 Pontiac Grand Prix Engine Problems

Complaints
31about this part
Share
29%of 106 total for the year
Median mileage
156,000miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 31 complaints about the engine of the 2003 Pontiac Grand Prix, 29% of the 106 complaints for this model year. Where a mileage was given, the median is 156,000 miles. 24 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Car was idling in a drive through and smoke began pouring out of engine compartment. Shut off car and popped hood and the engine was on fire (visible flames) underneath where oil would be added to car. Fire department was called to extinguish fire. Previous owner repaired 2009 recalled part but I was unaware of 2015 recall.”

NHTSA complaint #11084948, filed 2018-04, 226,000 miles

“Ran out to do a short errand at lunch time. Came back to work and was in the building approximately five minutes when someone came running in and said my car was on fire. Co-workers tried unsuccessfully to extinguish the fire and the fire department was called. Car was a complete loss. Car had been running perfect up until the incident.”

NHTSA complaint #10503653, filed 2013-03, 119,000 miles

“Car had been running great. Parked it at a friends house and someone noticed it on fire about 10 minutes later. Called the fire department and they put it out. Did some research and found that it had some recalls and this was a somewhat common problem.”

NHTSA complaint #10485981, filed 2012-11, 156,000 miles

“Thermostat bouncing up and down took to dealer had thermostat, lower intake gaskets and upper intake manifold and water pump replaced. Temp needle goes over half when idling on hot days but as driven goes down. It goes up and down. Spent 1500 to fix.”

NHTSA complaint #10477233, filed 2012-09, 12,000 miles

“The car had a recall. The engine oil dripped into the manifold and caught fire. The car is totaled now. I was inside of a walmart and the car was parked outside.”

NHTSA complaint #11052544, filed 2017-12, 236,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
20081913%
20072813%
20063213%
2005149%
20049822%
20033129%
20028626%
20016521%
20007316%
19995012%
1998337%
1997456%
198911%

Other parts of the 2003 Pontiac Grand Prix

Electrical system
20 complaints
Engine cooling
16 complaints
Brakes
9 complaints
Body and structure
9 complaints
Exterior lighting
8 complaints
Fuel system
5 complaints
Seats
5 complaints
Tires
4 complaints
Transmission and drivetrain
4 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Equipment
3 complaints
Suspension
3 complaints

← All problems reported for the 2003 Pontiac Grand Prix

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology